PLUS
—prep. 1 with the addition of (symbol +). 2 (of temperature) above zero (plus 2°). 3 colloq. With; having gained; newly possessing. —adjective. 1 (after a number) at least (fifteen plus). 2 (after a grade etc.) Rather better than (beta plus). 3 math. Positive. 4 having a positive electrical charge. 5 (attrib.) Additional, extra. —none. 1 the symbol +. usage the use of plus as a conjunction, as in they arrived late, plus they wanted a meal, is considered incorrect by some people.